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v3.21.1

Consolidated Statements of Stockholders’ Equity - USD ($) shares in Thousands, $ in Thousands | Preferred Stock | Common Stock and Non-Voting Common | Additional Paid-In Capital | Accumulated Deficit | Accum. Other Comprehensive Loss | Non-Controlling Interests | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2018 | $ 1 | $ 46 | $ 932,179 | $ (630,000) | $ (2,459) | $ 19,598 | $ 319,365
Balances (in Shares) at Dec. 31, 2018 | 927 | 45,771 |  |  |  |  |
Stock-based compensation expense – restricted stock and options to employees and directors, net of cancellations and tax |  | $ 1 | 2,650 |  |  |  | 2,651
Stock-based compensation expense – restricted stock and options to employees and directors, net of cancellations and tax (in Shares) |  | 1,069 |  |  |  |  |
Common stock issuances ATM |  | $ 3 | 3,667 |  |  |  | 3,670
Common stock issuances ATM (in Shares) |  | 3,137 |  |  |  |  |
Common stock issuances senior notes |  | $ 6 | 3,811 |  |  |  | 3,817
Common stock issuances senior notes (in Shares) |  | 5,531 |  |  |  |  |
Pension plan adjustment |  |  |  |  | 89 |  | 89
Preferred stock dividends |  |  |  | (1,265) |  |  | (1,265)
Net loss |  |  |  | (88,949) |  | (12,333) | (101,282)
Balances at Dec. 31, 2019 | $ 1 | $ 56 | 942,307 | (720,214) | (2,370) | 7,265 | 227,045
Balances (in Shares) at Dec. 31, 2019 | 927 | 55,508 |  |  |  |  |
Stock-based compensation expense – restricted stock and options to employees and directors, net of cancellations and tax |  | $ 1 | 2,077 |  |  |  | 2,078
Stock-based compensation expense – restricted stock and options to employees and directors, net of cancellations and tax (in Shares) |  | 1,137 |  |  |  |  |
Common stock issuances |  | $ 5 | 70,528 |  |  |  | 70,533
Common stock issuances (in Shares) |  | 5,075 |  |  |  |  |
Warrant exercises |  | $ 9 | 16,431 |  |  |  | 16,440
Warrant exercises (in Shares) |  | 9,346 |  |  |  |  |
Sale of interests in PAL |  |  |  |  |  | (5,099) | (5,099)
Common stock issuances ATM |  | $ 1 | 5,295 |  |  |  | 5,296
Common stock issuances ATM (in Shares) |  | 1,421 |  |  |  |  |
Pension plan adjustment |  |  |  |  | (1,508) |  | (1,508)
Preferred stock dividends |  |  |  | (1,268) |  |  | (1,268)
Net loss |  |  |  | (15,116) |  | (2,166) | (17,282)
Balances at Dec. 31, 2020 | $ 1 | $ 72 | $ 1,036,638 | $ (736,598) | $ (3,878) |  | $ 296,235
Balances (in Shares) at Dec. 31, 2020 | 927 | 72,487 |  |  |  |  |

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